If she is on the deed- yes. If it is marital property- yes. In a community property state- yes. A person doesn't lose their rights or interest in real estate by leaving. Divorce may change the status.
That depends on the laws in any particular jurisdiction. Some allow private property ownership and some do not. Regardless of a belief in some inherent rights, in reality a citizen is subject to the...
Under Canada's Constitution, matters involving property fall under provincial jurisdiction. There are ten provinces in Canada, so there could be ten different answers to your question. The answer...
If you are not on the deed you have no rights in the property. If you are not legally married and the owner dies you have no legal rights in the property.